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![]() A screenshot of Sam | |
Original author(s) | Rob Pike |
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Developer(s) | Bell Labs |
Initial release | early 1980s |
Written in | C |
Operating system | Unix, Plan 9, Win32 |
Available in | English |
Type | Text editor |
License | 2021: MIT 2014: GPL-2.0-only 2002: LPL-1.02 |
Website | sam |
Sam is a multi-file text editor based on structural regular expressions. It was originally designed in the early 1980s at Bell Labs by Rob Pike with the help of Ken Thompson and other Unix developers for the Blit windowing terminal running on v9 Unix;[1] it was later ported to other systems. Sam follows a classical modular Unix aesthetic. It is internally simple, its power leveraged by the composability of a small command language and extensibility through shell integration.